Home / 1,438.56-2,146.30-1,241.73

Finding the Fourth Proportional to 1,438.56, 2,146.30 and 1,241.73

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Solution

The fourth proportional to 1,438.56, 2,146.30 and 1,241.73 is: 1,852.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438.56 : 2,146.30 = 1,241.73 : x
  2. Step 2: Convert to fraction form
    1,438.56/2,146.30 = 1,241.73/x
  3. Step 3: Cross multiply
    1,438.56x = 2,146.30 × 1,241.73
  4. Step 4: Simplify right side
    1,438.56x = 2,665,121.99
  5. Step 5: Solve for x
    x = 2,665,121.99/1,438.56
  6. Step 6: Final answer
    x = 1,852.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.